In this paper the authors analyze near-edge absorption of x rays in noncentrosymmetric crystals. The work is motivated by recent observations of x-ray dichroic effects which stem from parity-nonconserving electron interactions. We provide a theoretical description of these experiments and show that they are sensitive to microscopic polar and magnetoelectric properties of the sample. Our derivation extends previous theoretical work on centrosymmetric systems and identifies interesting directions in the microscopic analysis of crystalline materials using x-ray-absorption spectroscopy.

X-ray dichroism in noncentrosymmetric crystals / P., Carra; A., Jerez; Marri, Ivan. - In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS. - ISSN 1098-0121. - ELETTRONICO. - 67:(2003), pp. 045111-1-045111-8.

X-ray dichroism in noncentrosymmetric crystals

MARRI, Ivan
2003-01-01

Abstract

In this paper the authors analyze near-edge absorption of x rays in noncentrosymmetric crystals. The work is motivated by recent observations of x-ray dichroic effects which stem from parity-nonconserving electron interactions. We provide a theoretical description of these experiments and show that they are sensitive to microscopic polar and magnetoelectric properties of the sample. Our derivation extends previous theoretical work on centrosymmetric systems and identifies interesting directions in the microscopic analysis of crystalline materials using x-ray-absorption spectroscopy.
67
045111-1
045111-8
X-ray dichroism in noncentrosymmetric crystals / P., Carra; A., Jerez; Marri, Ivan. - In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS. - ISSN 1098-0121. - ELETTRONICO. - 67:(2003), pp. 045111-1-045111-8.
P., Carra; A., Jerez; Marri, Ivan
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/904292
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